Globe and reflector for incandescent lamps



(No Model.)

T G HAWKES GLOBE AND REFLECTOR FOR INGANDESGENT LAMPS.

No. 412,089. Patented Oct. 1, 1889.

N. PCI'EHS. Photo-Lithogn her. W

UNITED STATES PATENT THOMAS G. HAl/YKES, OF CORNING, NEW YORK.

SPECIFICATION forming part of Letters Patent No. 412,089, dated October 1, 1889.

Application filed August 21, 1886. Serial No. 211,562. (No model.)

To all whom it may concern.-

Be it known that I, THOMAS G. HAVVKES, of Corning, in the county of Steuben and State of New York, have invented certain new and useful Improvements in Globes and Reflectors for Incandescent Lamps; and I do hereby declare the following to be a full,'clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to a combination globe and reflector for incandescent lamps.

The objects are to increase the brilliancy of thelight, to ornamentthe lamp, and to protect the bulb from damage from external forces;

lVith these ends in view my invention consists in certain features of construction and combinations of parts, as will be hereinafter described, and pointed ontin the claims.

In the accompanying drawings, Figure l is a view of the globe and reflector in side elevation. Fig. 2 is a view in longitudinal sect-ion showing the bulb and wire in position, and Figs. 3 and 4 represent views in side elevation and longitudinal section of the globe combined with a modified form of reflector.

A represents a metallic stem somewhat larger than the stem portion of the incandescent -lam p bulb B, and provided with a threaded extension afor securing it to a suitable base, the same to which the incandescentlamp bulb is secured being preferred. Other means than the threaded projection a might, however, be successfully resorted to for securing the stem to the base.

The stem A as it approaches the larger pontion of the bulb B gradually flares outwardly and terminates in a laterallyextending slightly-concave rim A, a short distance toward the stem from the bend in the incandescent wire. The distance to which the rim A shall extend laterally is a matter of choice, and may vary from little or no extension to several. inches, or any distance which may be found desirable.

The interior surface of the stem A and its rim A are highly polished, forminga reflector adapted to return the rays of light which would otherwise be lost, to such a portion of the room on an object which it is desired to light up in a brilliant. manner.

At the point where the rim A branches suddenly from the stem portion A, the reflector is provided with a short section of female screw-threads C, adapted to receive a male screw-threaded end (I on the globe D.

The globe D is preferably shaped to conform to the shape of the bulb, and is either made of colored or plain glass and handsomely chased. It might also be formed thicker or thinner at intervals, producing the effect of concave or convex lenses, or of crystal glass.

It is evident that slight changes might be resorted to in the form and arrangement of the several parts described without departing from the spirit and scope of my invention; hence I do not wish to limit myself strictlyto the construction herein set forth; but,

Hayin g fully described my invention, what I claim as new, and-desire to secure by Letters Patent, is

1. The combination, with a reflector having an outwardly-extending rim, of an unbroken transparent or translucent shade smaller in diameter than the outwardly-extending rim and secured to the reflector, substantially as set forth.

2. The combination, with a reflector having an outwardly-extending rim and a depending flange, the latter located at the inner edge of the rim, of an unbroken transparent or translucent shade supported by and removablysecured to the depending flange of the reflector and completely closing its larger end, substantially as set forth.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

THOMAS G. HASVKES.

\Vitnesses:

O. F. EGGINTON, II. P. SINCLAIRE, Jr. 

